19685910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 48911040

約数和(自身を除く): 29225130

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 89, 101, 146, 178, 202, 219, 267, 303, 365, 438, 445, 505, 534, 606, 730, 890, 1010, 1095, 1335, 1515, 2190, 2670, 3030, 6497, 7373, 8989, 12994, 14746, 17978, 19491, 22119, 26967, 32485, 36865, 38982, 44238, 44945, 53934, 64970, 73730, 89890, 97455, 110595, 134835, 194910, 221190, 269670, 656197, 1312394, 1968591, 3280985, 3937182, 6561970, 9842955, 19685910]

約数ペア:

[(1, 19685910), (2, 9842955), (3, 6561970), (5, 3937182), (6, 3280985), (10, 1968591), (15, 1312394), (30, 656197), (73, 269670), (89, 221190), (101, 194910), (146, 134835), (178, 110595), (202, 97455), (219, 89890), (267, 73730), (303, 64970), (365, 53934), (438, 44945), (445, 44238), (505, 38982), (534, 36865), (606, 32485), (730, 26967), (890, 22119), (1010, 19491), (1095, 17978), (1335, 14746), (1515, 12994), (2190, 8989), (2670, 7373), (3030, 6497)]