19026720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:275

約数の個数: 144

約数和(自身を含む): 66181752

約数和(自身を除く): 47155032

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 73, 80, 90, 96, 120, 144, 146, 160, 180, 181, 219, 240, 288, 292, 360, 362, 365, 438, 480, 543, 584, 657, 720, 724, 730, 876, 905, 1086, 1095, 1168, 1314, 1440, 1448, 1460, 1629, 1752, 1810, 2172, 2190, 2336, 2628, 2715, 2896, 2920, 3258, 3285, 3504, 3620, 4344, 4380, 5256, 5430, 5792, 5840, 6516, 6570, 7008, 7240, 8145, 8688, 8760, 10512, 10860, 11680, 13032, 13140, 13213, 14480, 16290, 17376, 17520, 21024, 21720, 26064, 26280, 26426, 28960, 32580, 35040, 39639, 43440, 52128, 52560, 52852, 65160, 66065, 79278, 86880, 105120, 105704, 118917, 130320, 132130, 158556, 198195, 211408, 237834, 260640, 264260, 317112, 396390, 422816, 475668, 528520, 594585, 634224, 792780, 951336, 1057040, 1189170, 1268448, 1585560, 1902672, 2114080, 2378340, 3171120, 3805344, 4756680, 6342240, 9513360, 19026720]

約数ペア:

[(1, 19026720), (2, 9513360), (3, 6342240), (4, 4756680), (5, 3805344), (6, 3171120), (8, 2378340), (9, 2114080), (10, 1902672), (12, 1585560), (15, 1268448), (16, 1189170), (18, 1057040), (20, 951336), (24, 792780), (30, 634224), (32, 594585), (36, 528520), (40, 475668), (45, 422816), (48, 396390), (60, 317112), (72, 264260), (73, 260640), (80, 237834), (90, 211408), (96, 198195), (120, 158556), (144, 132130), (146, 130320), (160, 118917), (180, 105704), (181, 105120), (219, 86880), (240, 79278), (288, 66065), (292, 65160), (360, 52852), (362, 52560), (365, 52128), (438, 43440), (480, 39639), (543, 35040), (584, 32580), (657, 28960), (720, 26426), (724, 26280), (730, 26064), (876, 21720), (905, 21024), (1086, 17520), (1095, 17376), (1168, 16290), (1314, 14480), (1440, 13213), (1448, 13140), (1460, 13032), (1629, 11680), (1752, 10860), (1810, 10512), (2172, 8760), (2190, 8688), (2336, 8145), (2628, 7240), (2715, 7008), (2896, 6570), (2920, 6516), (3258, 5840), (3285, 5792), (3504, 5430), (3620, 5256), (4344, 4380)]