2018558860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1249}}^1\times {\mathrm{4253}}^1$

素因数の和:5530

約数の個数: 48

約数和(自身を含む): 4466700000

約数和(自身を除く): 2448141140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1249, 2498, 4253, 4996, 6245, 8506, 12490, 17012, 21265, 23731, 24980, 42530, 47462, 80807, 85060, 94924, 118655, 161614, 237310, 323228, 404035, 474620, 808070, 1616140, 5311997, 10623994, 21247988, 26559985, 53119970, 100927943, 106239940, 201855886, 403711772, 504639715, 1009279430, 2018558860]

約数ペア:

[(1, 2018558860), (2, 1009279430), (4, 504639715), (5, 403711772), (10, 201855886), (19, 106239940), (20, 100927943), (38, 53119970), (76, 26559985), (95, 21247988), (190, 10623994), (380, 5311997), (1249, 1616140), (2498, 808070), (4253, 474620), (4996, 404035), (6245, 323228), (8506, 237310), (12490, 161614), (17012, 118655), (21265, 94924), (23731, 85060), (24980, 80807), (42530, 47462)]