19533990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{557}}^1$

素因数の和:741

約数の個数: 64

約数和(自身を含む): 53996544

約数和(自身を除く): 34462554

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 167, 210, 334, 501, 557, 835, 1002, 1114, 1169, 1670, 1671, 2338, 2505, 2785, 3342, 3507, 3899, 5010, 5570, 5845, 7014, 7798, 8355, 11690, 11697, 16710, 17535, 19495, 23394, 35070, 38990, 58485, 93019, 116970, 186038, 279057, 465095, 558114, 651133, 930190, 1302266, 1395285, 1953399, 2790570, 3255665, 3906798, 6511330, 9766995, 19533990]

約数ペア:

[(1, 19533990), (2, 9766995), (3, 6511330), (5, 3906798), (6, 3255665), (7, 2790570), (10, 1953399), (14, 1395285), (15, 1302266), (21, 930190), (30, 651133), (35, 558114), (42, 465095), (70, 279057), (105, 186038), (167, 116970), (210, 93019), (334, 58485), (501, 38990), (557, 35070), (835, 23394), (1002, 19495), (1114, 17535), (1169, 16710), (1670, 11697), (1671, 11690), (2338, 8355), (2505, 7798), (2785, 7014), (3342, 5845), (3507, 5570), (3899, 5010)]