18716490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{941}}^1$

素因数の和:984

約数の個数: 96

約数和(自身を含む): 55547856

約数和(自身を除く): 36831366

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 34, 39, 45, 51, 65, 78, 85, 90, 102, 117, 130, 153, 170, 195, 221, 234, 255, 306, 390, 442, 510, 585, 663, 765, 941, 1105, 1170, 1326, 1530, 1882, 1989, 2210, 2823, 3315, 3978, 4705, 5646, 6630, 8469, 9410, 9945, 12233, 14115, 15997, 16938, 19890, 24466, 28230, 31994, 36699, 42345, 47991, 61165, 73398, 79985, 84690, 95982, 110097, 122330, 143973, 159970, 183495, 207961, 220194, 239955, 287946, 366990, 415922, 479910, 550485, 623883, 719865, 1039805, 1100970, 1247766, 1439730, 1871649, 2079610, 3119415, 3743298, 6238830, 9358245, 18716490]

約数ペア:

[(1, 18716490), (2, 9358245), (3, 6238830), (5, 3743298), (6, 3119415), (9, 2079610), (10, 1871649), (13, 1439730), (15, 1247766), (17, 1100970), (18, 1039805), (26, 719865), (30, 623883), (34, 550485), (39, 479910), (45, 415922), (51, 366990), (65, 287946), (78, 239955), (85, 220194), (90, 207961), (102, 183495), (117, 159970), (130, 143973), (153, 122330), (170, 110097), (195, 95982), (221, 84690), (234, 79985), (255, 73398), (306, 61165), (390, 47991), (442, 42345), (510, 36699), (585, 31994), (663, 28230), (765, 24466), (941, 19890), (1105, 16938), (1170, 15997), (1326, 14115), (1530, 12233), (1882, 9945), (1989, 9410), (2210, 8469), (2823, 6630), (3315, 5646), (3978, 4705)]