18950490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5399}}^1$

素因数の和:5428

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 35481510

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 195, 234, 270, 351, 390, 585, 702, 1170, 1755, 3510, 5399, 10798, 16197, 26995, 32394, 48591, 53990, 70187, 80985, 97182, 140374, 145773, 161970, 210561, 242955, 291546, 350935, 421122, 485910, 631683, 701870, 728865, 1052805, 1263366, 1457730, 1895049, 2105610, 3158415, 3790098, 6316830, 9475245, 18950490]

約数ペア:

[(1, 18950490), (2, 9475245), (3, 6316830), (5, 3790098), (6, 3158415), (9, 2105610), (10, 1895049), (13, 1457730), (15, 1263366), (18, 1052805), (26, 728865), (27, 701870), (30, 631683), (39, 485910), (45, 421122), (54, 350935), (65, 291546), (78, 242955), (90, 210561), (117, 161970), (130, 145773), (135, 140374), (195, 97182), (234, 80985), (270, 70187), (351, 53990), (390, 48591), (585, 32394), (702, 26995), (1170, 16197), (1755, 10798), (3510, 5399)]