19508520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 63296640

約数和(自身を除く): 43788120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 73, 85, 102, 120, 131, 136, 146, 170, 204, 219, 255, 262, 292, 340, 365, 393, 408, 438, 510, 524, 584, 655, 680, 730, 786, 876, 1020, 1048, 1095, 1241, 1310, 1460, 1572, 1752, 1965, 2040, 2190, 2227, 2482, 2620, 2920, 3144, 3723, 3930, 4380, 4454, 4964, 5240, 6205, 6681, 7446, 7860, 8760, 8908, 9563, 9928, 11135, 12410, 13362, 14892, 15720, 17816, 18615, 19126, 22270, 24820, 26724, 28689, 29784, 33405, 37230, 38252, 44540, 47815, 49640, 53448, 57378, 66810, 74460, 76504, 89080, 95630, 114756, 133620, 143445, 148920, 162571, 191260, 229512, 267240, 286890, 325142, 382520, 487713, 573780, 650284, 812855, 975426, 1147560, 1300568, 1625710, 1950852, 2438565, 3251420, 3901704, 4877130, 6502840, 9754260, 19508520]

約数ペア:

[(1, 19508520), (2, 9754260), (3, 6502840), (4, 4877130), (5, 3901704), (6, 3251420), (8, 2438565), (10, 1950852), (12, 1625710), (15, 1300568), (17, 1147560), (20, 975426), (24, 812855), (30, 650284), (34, 573780), (40, 487713), (51, 382520), (60, 325142), (68, 286890), (73, 267240), (85, 229512), (102, 191260), (120, 162571), (131, 148920), (136, 143445), (146, 133620), (170, 114756), (204, 95630), (219, 89080), (255, 76504), (262, 74460), (292, 66810), (340, 57378), (365, 53448), (393, 49640), (408, 47815), (438, 44540), (510, 38252), (524, 37230), (584, 33405), (655, 29784), (680, 28689), (730, 26724), (786, 24820), (876, 22270), (1020, 19126), (1048, 18615), (1095, 17816), (1241, 15720), (1310, 14892), (1460, 13362), (1572, 12410), (1752, 11135), (1965, 9928), (2040, 9563), (2190, 8908), (2227, 8760), (2482, 7860), (2620, 7446), (2920, 6681), (3144, 6205), (3723, 5240), (3930, 4964), (4380, 4454)]