19254480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:253

約数の個数: 160

約数和(自身を含む): 69590784

約数和(自身を除く): 50336304

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 73, 80, 84, 105, 112, 120, 140, 146, 157, 168, 210, 219, 240, 280, 292, 314, 336, 365, 420, 438, 471, 511, 560, 584, 628, 730, 785, 840, 876, 942, 1022, 1095, 1099, 1168, 1256, 1460, 1533, 1570, 1680, 1752, 1884, 2044, 2190, 2198, 2355, 2512, 2555, 2920, 3066, 3140, 3297, 3504, 3768, 4088, 4380, 4396, 4710, 5110, 5495, 5840, 6132, 6280, 6594, 7536, 7665, 8176, 8760, 8792, 9420, 10220, 10990, 11461, 12264, 12560, 13188, 15330, 16485, 17520, 17584, 18840, 20440, 21980, 22922, 24528, 26376, 30660, 32970, 34383, 37680, 40880, 43960, 45844, 52752, 57305, 61320, 65940, 68766, 80227, 87920, 91688, 114610, 122640, 131880, 137532, 160454, 171915, 183376, 229220, 240681, 263760, 275064, 320908, 343830, 401135, 458440, 481362, 550128, 641816, 687660, 802270, 916880, 962724, 1203405, 1283632, 1375320, 1604540, 1925448, 2406810, 2750640, 3209080, 3850896, 4813620, 6418160, 9627240, 19254480]

約数ペア:

[(1, 19254480), (2, 9627240), (3, 6418160), (4, 4813620), (5, 3850896), (6, 3209080), (7, 2750640), (8, 2406810), (10, 1925448), (12, 1604540), (14, 1375320), (15, 1283632), (16, 1203405), (20, 962724), (21, 916880), (24, 802270), (28, 687660), (30, 641816), (35, 550128), (40, 481362), (42, 458440), (48, 401135), (56, 343830), (60, 320908), (70, 275064), (73, 263760), (80, 240681), (84, 229220), (105, 183376), (112, 171915), (120, 160454), (140, 137532), (146, 131880), (157, 122640), (168, 114610), (210, 91688), (219, 87920), (240, 80227), (280, 68766), (292, 65940), (314, 61320), (336, 57305), (365, 52752), (420, 45844), (438, 43960), (471, 40880), (511, 37680), (560, 34383), (584, 32970), (628, 30660), (730, 26376), (785, 24528), (840, 22922), (876, 21980), (942, 20440), (1022, 18840), (1095, 17584), (1099, 17520), (1168, 16485), (1256, 15330), (1460, 13188), (1533, 12560), (1570, 12264), (1680, 11461), (1752, 10990), (1884, 10220), (2044, 9420), (2190, 8792), (2198, 8760), (2355, 8176), (2512, 7665), (2555, 7536), (2920, 6594), (3066, 6280), (3140, 6132), (3297, 5840), (3504, 5495), (3768, 5110), (4088, 4710), (4380, 4396)]