18538650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3169}}^1$

素因数の和:3200

約数の個数: 72

約数和(自身を含む): 53655420

約数和(自身を除く): 35116770

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 325, 390, 450, 585, 650, 975, 1170, 1950, 2925, 3169, 5850, 6338, 9507, 15845, 19014, 28521, 31690, 41197, 47535, 57042, 79225, 82394, 95070, 123591, 142605, 158450, 205985, 237675, 247182, 285210, 370773, 411970, 475350, 617955, 713025, 741546, 1029925, 1235910, 1426050, 1853865, 2059850, 3089775, 3707730, 6179550, 9269325, 18538650]

約数ペア:

[(1, 18538650), (2, 9269325), (3, 6179550), (5, 3707730), (6, 3089775), (9, 2059850), (10, 1853865), (13, 1426050), (15, 1235910), (18, 1029925), (25, 741546), (26, 713025), (30, 617955), (39, 475350), (45, 411970), (50, 370773), (65, 285210), (75, 247182), (78, 237675), (90, 205985), (117, 158450), (130, 142605), (150, 123591), (195, 95070), (225, 82394), (234, 79225), (325, 57042), (390, 47535), (450, 41197), (585, 31690), (650, 28521), (975, 19014), (1170, 15845), (1950, 9507), (2925, 6338), (3169, 5850)]